[libvirt] [PATCH 1/3] qemu: driver: Remove unnecessary flag in qemuDomainGetStatsBlock

[Peter Krempa]

'abbreviated' was true if 'stats' were NULL
---
 src/qemu/qemu_driver.c | 15 +++++----------
 1 file changed, 5 insertions(+), 10 deletions(-)

diff --git a/src/qemu/qemu_driver.c b/src/qemu/qemu_driver.c
index 00daf72..5917bc2 100644
--- a/src/qemu/qemu_driver.c
+++ b/src/qemu/qemu_driver.c
@@ -19335,7 +19335,6 @@ qemuDomainGetStatsOneBlock(virQEMUDriverPtr driver,
                            virStorageSourcePtr src,
                            size_t block_idx,
                            unsigned int backing_idx,
-                           bool abbreviated,
                            virHashTablePtr stats)
 {
     qemuBlockStats *entry;
@@ -19354,7 +19353,7 @@ qemuDomainGetStatsOneBlock(virQEMUDriverPtr driver,
         QEMU_ADD_BLOCK_PARAM_UI(record, maxparams, block_idx, "backingIndex",
                                 backing_idx);

-    if (abbreviated || !alias || !(entry = virHashLookup(stats, alias))) {
+    if (!stats || !alias || !(entry = virHashLookup(stats, alias))) {
         if (virStorageSourceIsEmpty(src)) {
             ret = 0;
             goto cleanup;
@@ -19431,15 +19430,12 @@ qemuDomainGetStatsBlock(virQEMUDriverPtr driver,
     int rc;
     virHashTablePtr stats = NULL;
     qemuDomainObjPrivatePtr priv = dom->privateData;
-    bool abbreviated = false;
     virQEMUDriverConfigPtr cfg = virQEMUDriverGetConfig(driver);
     int count_index = -1;
     size_t visited = 0;
     bool visitBacking = !!(privflags & QEMU_DOMAIN_STATS_BACKING);

-    if (!HAVE_JOB(privflags) || !virDomainObjIsActive(dom)) {
-        abbreviated = true; /* it's ok, just go ahead silently */
-    } else {
+    if (HAVE_JOB(privflags) && virDomainObjIsActive(dom)) {
         qemuDomainObjEnterMonitor(driver, dom);
         rc = qemuMonitorGetAllBlockStatsInfo(priv->mon, &stats,
                                              visitBacking);
@@ -19449,10 +19445,9 @@ qemuDomainGetStatsBlock(virQEMUDriverPtr driver,
         if (qemuDomainObjExitMonitor(driver, dom) < 0)
             goto cleanup;

-        if (rc < 0) {
+        /* failure to retrieve stats is fine at this point */
+        if (rc < 0)
             virResetLastError();
-            abbreviated = true; /* still ok, again go ahead silently */
-        }
     }

     /* When listing backing chains, it's easier to fix up the count
@@ -19469,7 +19464,7 @@ qemuDomainGetStatsBlock(virQEMUDriverPtr driver,
         while (src && (backing_idx == 0 || visitBacking)) {
             if (qemuDomainGetStatsOneBlock(driver, cfg, dom, record, maxparams,
                                            disk, src, visited, backing_idx,
-                                           abbreviated, stats) < 0)
+                                           stats) < 0)
                 goto cleanup;
             visited++;
             backing_idx++;
-- 
2.8.2